G - Physics – 07 – G
Patent
G - Physics
07
G
G07G 5/00 (2006.01) G07D 5/00 (2006.01) G07D 7/14 (2006.01) G07F 17/42 (2006.01) G07F 19/00 (2006.01)
Patent
CA 2287090
Anti-counterfeiting and counterfeit detection devices and procedures are provided particularly usable in connection with vouchers issued by coin discriminator or coin counting machines. Paper stock may be preprinted with inks which are not readily photocopied without apparent alteration. Preprinting is preferably in two or more orientations such as longitudinal and lateral and preferably some preprinting is positioned closer to the paper stock edge than can typically be achieved using ordinarily available laser printers or inkjet printers. A pattern of perforations, preferably micro perforations, are provided in a curved, preferably tightly radiused shape or configuration. Serial numbers or other identifiers may be preprinted on portions of the paper stock and matching or correlatable numbers printed on such preprinted paper stock substantially at the time of printing the voucher value. Patterns or indicia printed on one surface of the paper are preferably registered with respect to patterns or indicia printed on the opposite side such that a voucher may be validated by verifying proper registration such as when holding a voucher up to a light.
Brown David J.
Geiger Steven M.
Manion Timothy J.
Scherer Scott J.
Bull Housser & Tupper Llp
Coinstar Inc.
LandOfFree
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